When required to clarify a record or when it would otherwise aid in disposition of the matter, the Authority, or its designated representative, may, as appropriate:

(a) Direct the parties to provide specific documentary evidence, including the arbitration record as discussed in 5 CFR 2429.3;

(b) Direct the parties to respond to requests for further information;

(c) Meet with parties, either in person or via telephone or other electronic communications systems, to attempt to clarify the dispute or matters in the record;

(d) Direct the parties to provide oral argument; or

(e) Take any other appropriate action.